tuffeau stone wikipedia - EAS

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    https://en.wikipedia.org/wiki/Tuffeau_stone

    Tuffeau stone — in French, simply tuffeau or tufeau — is a local limestone of the Loire Valley of France. It is characterized as a chalky or sandy, fine-grained limestone, white to yellowish-cream in appearance, and micaceous (containing some white flakes of mica, or muscovite). The soft stone is extracted … See more

    Tuffeau dates to the Mesozoic era (Upper Cretaceous Turonian stage). The Loire Valley formed the floor of a vast sea 90 million years ago. Over the millennia, sediment from the sea floor, comprising fossilized living … See more

    Tuffeau has a very low density compared with many other rocks, being half as dense as granite, comparable in density with ebony, and only about 10 to 20% heavier than water. It has … See more

    Numerous buildings in the Loire Valley, from the most modest to the most grandiose, were built from blocks of tuffeau stone, including the Château de Beaulieu near Saumur, the Château d'Ussé and the Château de la Motte d'Usseau, and many worker's cottages at … See more

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    Tuffeau mining reached its peak in the 15th century. As a construction material — especially in the Touraine and Anjou regions — tuffeau has been extracted mostly from natural riverside … See more

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  2. https://www.wikiwand.com/en/Tuffeau_stone

    Tuffeau stone — in French, simply tuffeau or tufeau — is a local limestone of the Loire Valley of …

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    What is tuffeau stone made of?
    Tuffeau stone — in French, simply tuffeau or tufeau — is a local limestone of the Loire Valley of France. It is characterized as a chalky or sandy, fine-grained limestone, white to yellowish-cream in appearance, and micaceous (containing some white flakes of mica, or muscovite).
    en.wikipedia.org/wiki/Tuffeau_stone
    What is the history of tuffeau?
    Tuffeau dates to the Mesozoic era (Upper Cretaceous Turonian stage). The Loire Valley formed the floor of a vast sea 90 million years ago. Over the millennia, sediment from the sea floor, comprising fossilized living organisms and sand particles, became compressed to form what is now known as Tuffeau stone.
    en.wikipedia.org/wiki/Tuffeau_stone
    What is the density of a tuffeau?
    Tuffeau has a very low density compared with many other rocks, being half as dense as granite, comparable in density with ebony, and only about 10 to 20% heavier than water. It has porosity of up to 50%, whereas that of granite is only about 1%.
    en.wikipedia.org/wiki/Tuffeau_stone
  4. https://en.wikipedia.org/wiki/Talk:Tuffeau_stone

    Tuffeau stone is part of WikiProject Geology, an attempt at creating a standardized, …

  5. https://fr.wikipedia.org/wiki/Tuffeau

    Le tuffeau, ou tufeau, est de la craie micacée ou sableuse à grain fin, de couleur blanche ou crème parfois jaunâtre, et contenant quelques paillettes de mica blanc (muscovite). Cette pierre de taille tendre permet de bâtir et de réaliser les décors typiques de l'architecture de la Renaissance présente dans les régions autour de la Loire.

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    • Tuffeau stone | Detailed Pedia

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      Tuffeau stone — in French, simply tuffeau or tufeau — is a local limestone of the Loire Valley of …

    • Tuffeau stone - Wikipedia @ WordDisk

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      Tuffeau stone It is characterized as a chalky or sandy, fine-grained limestone, white to …

    • https://dbpedia.org/page/Tuffeau_stone

      Le tuffeau, ou tufeau, est de la craie micacée ou sableuse à grain fin, de couleur blanche ou …

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